1 /* 2 * Copyright © 2016 Broadcom 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include "igt.h" 25 #include <unistd.h> 26 #include <stdlib.h> 27 #include <stdio.h> 28 #include <string.h> 29 #include <fcntl.h> 30 #include <inttypes.h> 31 #include <errno.h> 32 #include <sys/stat.h> 33 #include <sys/ioctl.h> 34 #include "vc4_drm.h" 35 36 igt_main 37 { 38 int fd; 39 40 igt_fixture 41 fd = drm_open_driver(DRIVER_VC4); 42 43 /* A 64-bit seqno should never hit the maximum value over the 44 * lifetime of the system. (A submit per 1000 cycles at 1Ghz 45 * would still take 584000 years). As a result, we can wait 46 * for it and be sure of a timeout. 47 */ 48 igt_subtest("bad-seqno-0ns") { 49 struct drm_vc4_wait_seqno arg = { 50 .seqno = ~0ull, 51 .timeout_ns = 0, 52 }; 53 do_ioctl_err(fd, DRM_IOCTL_VC4_WAIT_SEQNO, &arg, ETIME); 54 } 55 56 igt_subtest("bad-seqno-1ns") { 57 struct drm_vc4_wait_seqno arg = { 58 .seqno = ~0ull, 59 .timeout_ns = 1, 60 }; 61 do_ioctl_err(fd, DRM_IOCTL_VC4_WAIT_SEQNO, &arg, ETIME); 62 } 63 64 igt_fixture 65 close(fd); 66 } 67